JPS5744676B2 - - Google Patents
Info
- Publication number
- JPS5744676B2 JPS5744676B2 JP49087442A JP8744274A JPS5744676B2 JP S5744676 B2 JPS5744676 B2 JP S5744676B2 JP 49087442 A JP49087442 A JP 49087442A JP 8744274 A JP8744274 A JP 8744274A JP S5744676 B2 JPS5744676 B2 JP S5744676B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/86—Chromium
- B01J23/868—Chromium copper and chromium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
- C07D307/08—Preparation of tetrahydrofuran
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732339344 DE2339344C3 (en) | 1973-08-03 | Catalyst containing cobalt, copper and chromium and its use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5041849A JPS5041849A (en) | 1975-04-16 |
| JPS5744676B2 true JPS5744676B2 (en) | 1982-09-22 |
Family
ID=5888790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49087442A Expired JPS5744676B2 (en) | 1973-08-03 | 1974-07-30 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3969371A (en) |
| JP (1) | JPS5744676B2 (en) |
| BE (1) | BE818435A (en) |
| CA (1) | CA1033754A (en) |
| FR (1) | FR2245650B3 (en) |
| GB (1) | GB1460049A (en) |
| IT (1) | IT1022068B (en) |
| NL (1) | NL7409818A (en) |
| SU (1) | SU537628A3 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5055599A (en) * | 1989-06-23 | 1991-10-08 | The Standard Oil Company | Process for the hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone |
| US20040119052A1 (en) * | 2002-12-20 | 2004-06-24 | Beavers William Anthony | Process for preparing alpha- and beta- methyl-gamma-butyrolactone and 3-methyltetrahydrofuran |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3370067A (en) * | 1967-04-07 | 1968-02-20 | Shell Oil Co | Hydrogenolysis of butyrolactone and gamma-valerolactone to the corresponding cyclic ethers |
| JPS4830272B1 (en) * | 1968-10-29 | 1973-09-18 | ||
| JPS4740770Y1 (en) * | 1969-02-19 | 1972-12-09 |
-
1974
- 1974-07-15 US US05/488,351 patent/US3969371A/en not_active Expired - Lifetime
- 1974-07-16 CA CA204,837A patent/CA1033754A/en not_active Expired
- 1974-07-19 NL NL7409818A patent/NL7409818A/en not_active Application Discontinuation
- 1974-07-30 JP JP49087442A patent/JPS5744676B2/ja not_active Expired
- 1974-07-31 GB GB3385874A patent/GB1460049A/en not_active Expired
- 1974-07-31 SU SU2048449A patent/SU537628A3/en active
- 1974-08-02 IT IT25947/74A patent/IT1022068B/en active
- 1974-08-02 FR FR7426935A patent/FR2245650B3/fr not_active Expired
- 1974-08-02 BE BE147238A patent/BE818435A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1460049A (en) | 1976-12-31 |
| SU537628A3 (en) | 1976-11-30 |
| FR2245650B3 (en) | 1977-06-03 |
| CA1033754A (en) | 1978-06-27 |
| US3969371A (en) | 1976-07-13 |
| DE2339344A1 (en) | 1975-03-27 |
| DE2339344B2 (en) | 1976-06-16 |
| IT1022068B (en) | 1978-03-20 |
| BE818435A (en) | 1975-02-03 |
| JPS5041849A (en) | 1975-04-16 |
| NL7409818A (en) | 1975-02-05 |
| FR2245650A1 (en) | 1975-04-25 |